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CH. 9: SMARTSTACK 06 Apr 2000 PAGE 43
GFK-1819
CHAPTER 9: SMARTSTACK
9.1 Scope
Horner has now added the SmartStack
modules from the OCS Range to the TIU20X range. The
SmartStack system is a method of allowing I/O expansion on an HMI. A wide range of modules is
available including Digital and Analogue.
9.2 Installing and Removing a SmartStack Module
The following section describes how to install and remove a SmartStack Module.
Caution: To function properly and avoid possible damage, do not install more than four
Smart Stack
Modules per TIU20X.
9.2.1 Installing SmartStack Modules
1. Hook the tabs. Each SmartStack Module has two tabs that fit into slots located on the TIU20X. (The
slots on the TIU20X are located on the back cover.)
2. Press the SmartStack Module into the “locked” position, making sure to align the SmartStack Module
fasteners with the SmartStack receptacles on the TIU20X.
9.2.2 Removing SmartStack Modules
1. Using a Flathead screwdriver, pry up the end of the SmartStack Module (opposite of tabs) and swing
the module out.
2. Lift out the tabs of the module.
Figure 9.1 – Installing a SmartStack
Module in an OCS.